Synonyms for "inalterable" (79 found)

Ranked by relevance and common usage.

Closest matches (16)

unalterableunchangeableassiduousconstantcontinuingdeterminatediligentdoggedenduringfaithfulfixedimmovableimmutableindefatigableindomitableindustrious

Strong matches (24)

inflexibleinsistentinvariableinvincibleironcladlastingloyalnever-tiringobstinatepatientpatient as jobpermanentperseverantperseveringpersistentpersistingpertinaciousploddingpluggingpreoccupied

Show 4 more words

raptrelentlessresolutesedulous

Related words (39)

single mindedsingle-mindedsleeplesssloggingstablesteadfaststeadystubborntenacioustirelessunabatingunconquerableundauntedundiscouragedundroopingunfailingunfalteringunflaggingunflinchingunintermitting

Show 16 more words

uninterruptedunmodifiableunmovableunnoddingunrelaxingunrelentingunremittingunsleepingunswervinguntiringunwaveringunweariedunwearyingunwinkingutterly attentiveweariless

Adjective(2 words)

unalterableunchangeable

Adjective(1 words)

unalterable

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

6 relation types

Antonyms

1 entries

alterable

Synonyms

2 entries

unalterableunchangeable

derived

3 entries

inalterabilityinalterablenessinalterably

derived from

1 entries

alterable

related to

1 entries

alter

similar

3 entries

finalincurablelast

Translations

2 translations across 2 languages.

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Ancient Greek

1 entries

• ἀμετάθετος adj (That cannot be altered)

Bulgarian

1 entries

• неизменен adj (That cannot be altered)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.